Lexium 28 Accessories A range of accessories to suit the Lexium 28 series of servo drives and motors. Schneider Electric Lexium 28 The Lexium 28 range of servo drives and motors that are suitable for a wide range of positioning and precision speed control applications including, printing, packaging, winding and unwinding as well as materials handling. The servo drives cover a wide range of power ratings from 0.05kW to 4.5kW, with two different types of power, single phase and three phase.